Flow price: --
a7a4b16238d72762ef2490a02bcc19c8da7d60e9e65c147d529afef7c111435c

Transaction

Hash: a7a4b16238d72762ef2490a02bcc19c8da7d60e9e65c147d529afef7c111435c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a7a4b16238d72762ef2490a02bcc19c8da7d60e9e65c147d529afef7c111435c:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a7a4b16238d72762ef2490a02bcc19c8da7d60e9e65c147d529afef7c111435c
Status:
ERROR
Block height:
40105354
Block id:
3d9d4590e44553600aae6db6b90a3fc2495c806b5d430f8c3e9b4dd2a2fccb21
Timestamp:
Tuesday 1 November 2022 at 12:05:12 UTC
()
Proposer:
Authorizers:
Gas used:
48